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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $139 | 21 | 21 |
| 2006 | $5,249 | 365 | 365 |
| 2007 | $47,140 | 3,207 | 3,207 |
| 2008 | $142,228 | 55,104 | 55,104 |
| 2009 | $40,011 | 20,517 | 20,517 |
| 2010 | $65,037 | 37,775 | 37,775 |
| 2011 | $125,552 | 27,440 | 27,440 |
Note: Quantity represents Weight in kilograms
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